Year	% of GDP
1962	11.923921253174768
1963	12.791540119968857
1964	12.321471588794243
1965	12.967045219485751
1966	13.343745653744033
1967	14.33987112813322
1968	15.198170512669265
1969	16.04630595068974
1970	16.738121236425314
1971	16.374374975489122
1972	18.226709613255892
1973	19.726182708746475
1974	20.816680746483982
1975	20.663616147775894
1976	21.959550844659514
1977	22.687941896653236
1978	24.979691326298568
1979	25.01407625666321
1980	25.31375285930311
1981	25.8727705531359
1982	27.327187950003786
1983	30.111939450111706
1984	34.45588191745384
1985	36.14594518083372
1986	31.968661715095095
1987	27.989264479982946
1988	23.648811996952624
1989	24.40434258239849
1990	27.45816664118693
1991	25.37712735355506
1992	29.049242350478373
1993	32.826998432125215
1994	31.238200058099352
1995	26.104767300792886
1996	25.090226091896394
1997	24.850463232260893
1998	25.90784337707315
1999	27.168305757151572
2000	25.054505174162365
2001	29.60315683756835
2002	31.093096039808152
2003	31.91353822431322
2004	30.603762578760012
2005	29.16239997752901
2006	29.311599946857243
2007	28.528770994406187
2008	29.599462734294256
2009	32.08236623035824
2010	32.72865296939415
2011	29.213479605327354
2012	24.99355419921295
2013	24.404548755036508
2014	23.692575259975616